// written by Dean Edwards, 2005
// with input from Tino Zijdel - crisp@xs4all.nl
// http://dean.edwards.name/weblog/2005/10/add-event/

function addEvent(obj, type, fn)
{
	if(obj.addEventListener)
	{
		obj.addEventListener(type, fn, false);
	}
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function(){obj["e"+type+fn](window.event);}
		obj.attachEvent("on"+type, obj[type+fn]);
	}
}